Engine Repairs for Your 1986 Pontiac Bonneville

1986 Pontiac Bonneville Trim Options

Select your Pontiac Bonneville trim level to learn more about Pontiac-recommended engine repair. Even Pontiac Bonneville parts will get older and change.

V6/3.8L
V6/4.3L
V8/5.0L

Repairs for Your 1986 Pontiac Bonneville

Nothing stays the same forever. Even your Pontiac Bonneville's many parts and pieces. We’re here to help when something stops working. Select a service or repair below to learn more about what we can do for your 1986 Pontiac Bonneville.

We Know Pontiac Bonneville Engines

The Pontiac Bonneville is respected for its reliability. You may have even been thinking about that when you bought it. However, the wear-proof engine has yet to be invented! Things can go sideways sometimes. If they do, you’ll have to find a dependable 1986 Pontiac service center — quick! That's when it's time to head to Firestone Complete Auto Care. We've serviced more than 500 million vehicles since 1926, and our technicians know Pontiac Bonneville engines. If you think something’s wrong with your engine, schedule an appointment at your convenience. Firestone Complete Auto Care is a top choice for professional engine diagnosis, service, and repair at an affordable price.

Illuminated Check Engine Light on 1986 Pontiac Bonneville

As soon as your Bonneville check engine light turns on, it’s time to get an expert’s opinion. A check engine light that’s on or flashing could be a symptom of a serious problem in your fuel injection, Potential causes may include a faulty oxygen sensor, damaged spark plug, a problem with your catalytic converter, or a leaking engine vacuum, but that's only a few of the possible causes. Bring your Bonneville to Firestone Complete Auto Care to get computerized diagnostics and our expert techs will get the root of the problem. Other signs your Pontiac Bonneville engine needs some TLC are burning smells, or engine misfiring.

Pontiac Bonneville Engine Repair

If your 1986 Bonneville engine needs repairs, our expert techs will let you know what needs to be done and why before they get started. We make recommendations, but you make the final decision. If a repair can wait, we'll let you know. If it's necessary for your safety, we'll make sure you understand that, too. We seek to give you all the info you need to make a smart decision about our services. Turn to Firestone Complete Auto Care for your 1986 Bonneville engine repairs and you can feel good knowing that we only use Pontiac-compliant replacement parts such as the cambelt, motor oil seal, sensors, or a different component.